👤

13 grade 30 minute:2
5 grade× 42 minute:2
18 grade×30 minute:3



Răspuns :

Răspuns:

Explicație pas cu pas:

13°30' : 2 = 12°90' : 2 = 6°45'

5°42' : 2 = 4°102' : 2 = 2°51'

18°30' : 3 = 6°10'